mcs/class/corlib/System.IO/FileNotFoundException.cs

   1 //
   2 // System.IO.FileNotFoundException.cs
   3 //
   4 // Author:
   5 //   Paolo Molaro (lupus@ximian.com)
   6 //   Duncan Mak (duncan@ximian.com)
   7 //
   8 // (C) 2001 Ximian, Inc.  http://www.ximian.com
   9 // Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 using System.Globalization;
  32 using System.Runtime.Serialization;
  33 using System.Security.Permissions;
  34 using System.Text;
  35 using System.Runtime.InteropServices;
  36
  37 namespace System.IO {
  38
  39         [Serializable]
  40         [ComVisible (true)]
  41         public class FileNotFoundException : IOException {
  42
  43                 const int Result = unchecked ((int)0x80131621);
  44
  45                 private string fileName;
  46                 private string fusionLog;
  47
  48                 // Constructors
  49                 public FileNotFoundException ()
  50                         : base (Locale.GetText ("Unable to find the specified file."))
  51                 {
  52                         HResult = Result;
  53                 }
  54
  55                 public FileNotFoundException (string message)
  56                         : base (message)
  57                 {
  58                         HResult = Result;
  59                 }
  60
  61                 public FileNotFoundException (string message, Exception innerException)
  62                         : base (message, innerException)
  63                 {
  64                         HResult = Result;
  65                 }
  66
  67                 public FileNotFoundException (string message, string fileName)
  68                         : base (message)
  69                 {
  70                         HResult = Result;
  71                         this.fileName = fileName;
  72                 }
  73
  74                 public FileNotFoundException (string message, string fileName, Exception innerException)
  75                         : base (message, innerException)
  76                 {
  77                         HResult = Result;
  78                         this.fileName = fileName;
  79                 }
  80
  81                 protected FileNotFoundException (SerializationInfo info, StreamingContext context)
  82                         : base (info, context)
  83                 {
  84                         fileName = info.GetString ("FileNotFound_FileName");
  85                         fusionLog = info.GetString ("FileNotFound_FusionLog");
  86                 }
  87
  88                 public string FileName
  89                 {
  90                         get { return fileName; }
  91                 }
  92
  93                 public string FusionLog {
  94                         // note: MS runtime throws a SecurityException when the Exception is created
  95                         // but a FileLoadException once the exception as been thrown. Mono always
  96                         // throw a SecurityException in both case (anyway fusionLog is currently empty)
  97                         [SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
  98                         get { return fusionLog; }
  99                 }
 100
 101                 public override string Message {
 102                         get {
 103                                 if (base.message == null) {
 104                                         if (fileName != null) {
 105                                                 string message = string.Format (
 106                                                         "Could not load file or assembly '{0}' or one of"
 107                                                         + " its dependencies. The system cannot find the"
 108                                                         + " file specified.", fileName);
 109                                                 return message;
 110                                         }
 111                                 }
 112                                 return base.message;
 113                         }
 114                 }
 115
 116                 public override void GetObjectData (SerializationInfo info, StreamingContext context)
 117                 {
 118                         base.GetObjectData (info, context);
 119                         info.AddValue ("FileNotFound_FileName", fileName);
 120                         info.AddValue ("FileNotFound_FusionLog", fusionLog);
 121                 }
 122
 123                 public override string ToString ()
 124                 {
 125                         StringBuilder sb = new StringBuilder (GetType ().FullName);
 126                         sb.AppendFormat (": {0}", Message);
 127
 128                         if (fileName != null && fileName.Length > 0) {
 129                                 sb.Append (Environment.NewLine);
 130                                 sb.AppendFormat ("File name: '{0}'", fileName);
 131                         }
 132
 133                         if (this.InnerException != null)
 134                                 sb.AppendFormat (" ---> {0}", InnerException);
 135
 136                         if (this.StackTrace != null) {
 137                                 sb.Append (Environment.NewLine);
 138                                 sb.Append (StackTrace);
 139                         }
 140
 141                         return sb.ToString ();
 142                 }
 143         }
 144 }